The Northrop Grumman AN/APG-83 Scalable Agile Beam Radar (SABR) is a full-performance fire control radar for the General Dynamics F-16 Fighting Falcon and other aircraft. SABR is a multi-function active electronically scanned array (AESA) radar.[1] In a 2013 competition, Lockheed Martin selected SABR as the AESA radar for the F-16 modernization and update programs of the United States Air Force and Republic of China (Taiwan) Air Force.[2]

The capabilities of this advanced AESA are derived from the F-22’s APG-77 and the F-35’s APG-81. It is designed to fit F-16 aircraft with no structural, power or cooling modifications,[3] the SABR is scalable to fit other aircraft platforms and mission areas.[citation needed]

In 2010, SABR was installed on a USAF F-16 at Edwards AFB and flew 17 consecutive demonstrations sorties without cooling or stability issues[4]

In addition to equipping F-16V for Taiwan and other US allies, US Air Force also selected APG-83 SABR to upgrade 72 of its Air National Guard F-16s.[5]At August 2018, Northrop Grumman had APG-83 fit-in test on F-18[6]A derivative of the AN/APG-83 SABR, SABR-GS (Global Strike) will be retrofitted to airworthy Rockwell B-1 Lancer airframes beginning in 2016.[7][8][9]


  1. ^ Corporation, Northrop Grumman. "Northrop Grumman's Scalable Agile Beam Radar (SABR) to Help Extend Viability of U.S. Air Force F-16s Beyond 2025". Retrieved 7 February 2019.
  2. ^ "Lockheed Martin Selects Northrop Grumman's Scalable Agile Beam Radar (SABR) for the F-16 AESA Radar Upgrade Program.". 31 July 2013. Accessed 20 February 2017.
  3. ^ "APG-83 Scalable Agile Beam Radar (SABR) AESA for the F-16 and Legacy Aircraft". Northrop Grumman. Retrieved 7 February 2019.
  4. ^ "Northrop Grumman Scalable Agile Beam Radar (SABR)".
  5. ^ "United States Air Force Selects the Northrop Grumman APG-83 SABR for F-16 AESA Radar Upgrade". Northrop Grumman Newsroom. Retrieved 7 February 2019.
  6. ^ Julie Songer (2018-08-13). "Northrop Grumman Performs Successful SABR Fit-Check on F/A-18C Fighter at Marine Corps Air Station Miramar | Northrop Grumman". Retrieved 2019-02-07.
  7. ^ Peck, Michael (8 August 2017). "B-1 to get new radar". C4ISRNET. Retrieved 7 February 2019.
  8. ^ "Northrop Grumman Corporation - News Releases". Retrieved 2019-02-07.
  9. ^ "Scalable Agile Beam Radar - Global Strike (SABR-GS) AESA for the B-1B". Northrop Grumman. Retrieved 7 February 2019.
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